In alt.home.repair, on Sat, 30 Mar 2019 22:44:02 GMT, Silly gillie
m wrote:

replying to Micky, Silly gillie wrote:
That’s what my mother taught me.

What is what your mother taught you?

When I questioned her, she said it was to

What is "it"?

avoid streaking stains left by clean wall water running down on to the dirty
wall and leaving streaks that won’t come out.